Measles

Measles is a highly contagious viral infection causing fever, rash, and respiratory symptoms. It can cause serious complications including pneumonia and encephalitis. The MMR vaccine is highly effective.

Table of Contents

Quick Facts

  • ICD-10: B05
  • Prevention: MMR vaccine

Symptoms

  • High fever (often >103°F)
  • Cough, runny nose, red watery eyes (3 C's)
  • Tiny white spots in the mouth (Koplik spots) — pathognomonic
  • Red blotchy rash starting on the face, spreading down

Complications

  • Pneumonia (leading cause of measles death)
  • Encephalitis
  • Diarrhea and dehydration
  • Subacute sclerosing panencephalitis (rare, years later)
  • Severe consequences in pregnancy and immunocompromised

Prevention

  • MMR vaccine — 2 doses, ~97% effective
  • Isolation of infected individuals
  • Post-exposure vaccination or immunoglobulin in some cases

Related Conditions

Upper Respiratory Infection

Different illness

 Skin Rash

Common symptom
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • CDC. Measles Information.